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52453494 = 235372917
BaseRepresentation
bin1100100000011…
…0000001110110
310122200220200000
43020012001312
5101412002434
65112132130
71204563432
oct310060166
9118626600
1052453494
11276770a5
1215697046
13ab37092
146d759c2
154911b99
hex3206076

52453494 has 48 divisors (see below), whose sum is σ = 121085328. Its totient is φ = 17006112.

The previous prime is 52453487. The next prime is 52453559. The reversal of 52453494 is 49435425.

It is a happy number.

It is a super-3 number, since 3×524534943 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16524 + ... + 19440.

It is an arithmetic number, because the mean of its divisors is an integer number (2522611).

Almost surely, 252453494 is an apocalyptic number.

52453494 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52453494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60542664).

52453494 is an abundant number, since it is smaller than the sum of its proper divisors (68631834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52453494 is a wasteful number, since it uses less digits than its factorization.

52453494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2959 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 52453494 is about 7242.4784431850. The cubic root of 52453494 is about 374.3330224124. Note that the first 3 decimals are identical.

The spelling of 52453494 in words is "fifty-two million, four hundred fifty-three thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 37 54 74 81 111 162 222 243 333 486 666 999 1998 2917 2997 5834 5994 8751 8991 17502 17982 26253 52506 78759 107929 157518 215858 236277 323787 472554 647574 708831 971361 1417662 1942722 2914083 5828166 8742249 17484498 26226747 52453494